\begin{tabular}{*{2}{l}}
\hline
     &  Temperature\tabularnewline
   & Estimate \tabularnewline
    & (S.E.)\tabularnewline
 \hline
 \hline
  (Intercept)    &11.688*** \tabularnewline
     &  (0.150)\tabularnewline
  Elev. per 1000 ft    &-3.238*** \tabularnewline
     &  (0.202)\tabularnewline
 \hline
 N & 92 \tabularnewline
 RMSE             &0.958   \tabularnewline
 $R^2$             &0.741   \tabularnewline
 \hline
\hline
 
 \multicolumn{2}{c}{${*  p}\le 0.05$${*\!\!*  p}\le 0.01$${*\!\!*\!\!*  p}\le 0.001$}\tabularnewline
 \end{tabular}\begin{tabular}{*{2}{l}}
\hline
     &  Temperature\tabularnewline
   & Estimate \tabularnewline
    & (S.E.)\tabularnewline
 \hline
 \hline
  (Intercept)    &11.688*** \tabularnewline
     &  (0.150)\tabularnewline
  Elev. per 1000 ft    &-3.238*** \tabularnewline
     &  (0.202)\tabularnewline
 \hline
 N & 92 \tabularnewline
 RMSE             &0.958   \tabularnewline
 $R^2$             &0.741   \tabularnewline
 \hline
\hline
 
 \multicolumn{2}{c}{${*  p}\le 0.05$${*\!\!*  p}\le 0.01$${*\!\!*\!\!*  p}\le 0.001$}\tabularnewline
 \end{tabular}